technology

Q: Suppose that the block moves across the surface with constant speed under the action of a horizontal...

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Q: Part A A point charge - 2Q is at the center of a spherical shell of radius R carrying charge Q sprea...

A: By gauss law Flux =qencε0

Q: The 29-N force P is applied perpendicular to the portion BC of the bent bar. Determine the moment of...

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Q: The 4.3-kN force F is applied at point A. (a) Compute the moment of F about point O, expressing it b...

A: GivenForce applied at A, F=4.3 kNxA=1.2 m, yA=1.8 ma=7, b=11

Q: Please help! At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B ...

A: GivenDistance Between Ship A and Ship B=150 kmVelocity of ship A=35 km/hVelocity of Ship B=30 km/h 

Q: A certain object has a mass of 74 kg at sea level, what will be its mass at a point where the accele...

A: The quantity which is effected by the acceleration due to gravity is the weight of body because it i...

Q: Viy = 50 m/s Vix = 88 m/s

A: Initial horizontal velocity = 88 msInitial vertical velocity = 50 ms  

Q: What are the magnitude and direction of the electric field if the object has .. a.) a charge of + 30...

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Q: You measure how long it takes to boil 1 liter of water (starting at room temperature). You repeat th...

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Q: A 4.0-kg object's velocity-vs-time graph is shown below. What is the net force on the object when t=...

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Q: 3. A player kicks a football at an angle of 35° with the horizontal and with an initial velocity of ...

A: The range of a body in projectile motion is given by R = u2sin2θg, where R = range of the projectile...

Q: A truck covers 40.0m in 8.50s while smoothly slowing down to a final speed of 2.80m/s. A. find the o...

A: Given value--- distance = 40m. time = 8.5 s. final speed = 2.8 m/s. We have to find--- original s...

Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

A: this problem is similar to the projectile motion.   When a projectile is thrown, it goes up due to t...

Q: Given the position-time graph below, what is the average velocity between P4 and P5? 450 P3 P4 400 3...

A: Given in question -  Position time graph To find - Average velocity(V) between P4 and P5 Solution: S...

Q: A stationary firecracker explodes into two pieces. The piece shot to the right has a mass of 0.07 kg...

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Q: What is the efficiency of a heat engine that uses an input heat of 6.70 x 104 J and rejects 3.28 x 1...

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Q: A car travels 105 m with constant deceleration of 2.4 m/s? in 3 seconds. What is the initial velocit...

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Q: A certain strain of bacteria will divide itself from 1 to 2 every to [minute]. As a result, its popu...

A: Given: Population model The table is  Initial population No = 100   Asked: to find to in minutes

Q: You determine the average speed for your walking pace. If the measured distance of your trip is 100....

A: Given value--- distance = 100 +/- 0.5 . time = 60 +/- 0.3 . We have to find--- dv/v ?

Q: A stone is thrown at 16 m/s with an angle of 40° above the horizontal from the roof top of the build...

A: For time taken to reach the ground , we need to consider two terms  (i) time taken to go up (up to m...

Q: A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reac...

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Q: 5m t O Su C 82= 3u C If the charges were initially at rest, what would be the velocity of q_2 in its...

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Q: What is refraction? Under what circumstances does it occur?

A: Refraction is the optical phenomenon of light which comes into picture when the light starts traveli...

Q: Find the electric field acting on a 2.0 C charge if an electrostatic force of 10 500 N acts on the p...

A: Given: Charge q=2 C, Electrostatic force F=10500 N. Required: Electric field E. The electrostatic fo...

Q: 3. The three identical cylinders are placed as shown. Determine the value of the coefficient of fric...

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Q: Suppose that Ĉ = j+.k• Ã = 2i + j, B =i- 4j + k, and A? What is the direction of vector

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Q: A physics student with mass 51kg slides in the snow (see figure). Find the velocity for each points ...

A: Given: ha=100mhb=60 mhc=30mhd=60mhe=0m

Q: ... Horizontal Field As compared to the horizontal component of the velocity at point Y, the horizon...

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Q: In the following sketch, what is the net force acting on the box? 10 N 5 N. A) A. 5 N to the right B...

A: We need to calculate the total force acting on the box.

Q: An asteroid made out of iron (7860 kg/m3) strikes the Earth in an area where the oceans are very dee...

A: Given data: The density of asteroid is ρ=7860 kg/m3. The speed of asteroid is v=30 km/s. The densit...

Q: Find a unit vector directed from (0, 1, 5) to (2, -2, -1)

A: Given: A(0,1,5)  B(2,-2,-1)  

Q: A conducting spherical shell of inner radius 4.00 cm and outer radius 5.00 cm is concentric with a 7...

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Q: A ball is thrown from a tower 30 m high above the ground with a velocity of 300 m/s directed at 20° ...

A: We use the equation for height travelled by a projectile to solve this. It is h = ho+uyt - 12gt2, wh...

Q: 5 V These are materials whose electrical properties are in between the conductors and insulators * S...

A: Semiconductors are the material that has electrical properties between Conducter and insulators for ...

Q: 4. Vector A S has a magnitude of 35.0 units and points in the direction 325° counterclockwise from t...

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Q: Name the missing force Student tension B normal c) mass friction bo F.

A: to name the missing force.

Q: An ideal gas of volume 1.5 x 10 m3 and at pressure 1.0 x 105 Pa is supplied with 70 J of energy. The...

A: Given,Initial volume of the gas, Vi = 1.5×10-3 m3Pressure, Pi = 1.0×105 PadQ = 70 Jfinal volume, Vf ...

Q: A 1000 kg car travels around a circular track at a constant speed. a. Draw the free-body diagram for...

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Q: The x and y components of a displacement vector are –3.00 m and +4.00 m, respectively. What angle do...

A: x components of vector = -3m Y components of vector =4m

Q: The switch in a series RL circuit with a re- sistance of 6.1 N , inductance of 3.1 H, and voltage of...

A: Given value--- resistance = 6.1 ohm. Inductance = 3.1 H. Voltage = 35.3 V. We have to find--- Wha...

Q: An orange fell from its tree. If the tree was measured to be 3.75 m. How long did it take for the or...

A: Given data:  Orange fell from tree Initial velocity (Vi) = 0 m/s Height (h) = 3.75 m Required: Time ...

Q: A lens has one concave surface with a radius of curvature RA = 6.0 cm and one convex surface with ra...

A: Here R1= radius of curvature of first lens= -6 cm = -0.06 m ( as concave lens) R2= +8cm = 0.08 m .

Q: explain how did they get the 102 degree.

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Q: Am = 1.25 kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushe...

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Q: What is the difference between the size of the images created with a convex vs. a concave mirror?

A: Convex Mirror The inner surface is polished and the outer surface is reflective It is also called d...

Q: 3. Two similar tiny balls of mass m hung from a silk threads of length L and carry equal charges q a...

A: Given, length of the threads, L angle between the horizontal, θ

Q: Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the ai...

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Q: Problem 4. Two open organ pipes, one 2.5 feet long and the other 2.4 feet long, are sounded at the s...

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Q: Two point charges (A and B) are separated from each other by a distance of 6.68 m. What is the magni...

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Q: A 110 g copper sphere is heated by a flame so that it reaches the temperature of the flame. After th...

A: Mass of copper sphere m1=110 g, mass of water m2=250 g, initial temperature of water T2=12oC=285 K a...